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(meteorobs) Eta-Aquarids by Radio Obs. in Japan



Hello,everyone

 The following table is the result of Eta-Aquarids by Radio Meteor
Observation. In Japan, we cold not see the high activity on 5th night(UT).
On 4th night(UT), however, we can see the high activity from 20:00 to
23:00(UT). Did the maximum occur 20:00-23:00 on 4th(UT)?

 But, by the observer in Australia, they could catch the clear maximum
18:00-19:00(UT) on 5th(UT). Why? The big difference is the location. 
Australia is the southern hemisphere. Is the reason this effect??

My observational page is http://homepage2.nifty.com/~baron/

Clear sky
Hiroshi Ogawa



The first line is "all echoes". The second line is "long echoes(>20sec.)"

UT  15 16 17 18 19 20 21 22 23 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14
LT  00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
----------------------------------------------------------------------------
May,2001
01/ IF IF IF@16 21 14 23 21 17 17 15 16 11 12 10 14  6  3  4  9 14 11 12 IF
                    1
02/ IF IF 17 17 20 28 24 26 24 22 12 14 11 12 10 11 10  4  6 11 IF IF 14 IF
                                1
03/ IF IF IF 25 23 30 30 23 28 23 12 15 17 12 14  7  2  3  1  4  3  3  8@21
                 1     1  1  1  2
04/@19 16 19 27 25 25 35 29 22 22 22 18  6 18 10 10  8 11  4  4  8  5 13  9
                    1  1  1
05/ IF@16 18 27 18 35 30 35 32 31 29 30 18 -- -- --  4 Es @8 @3 12  6 17 11
                       1  3  1  1  1
06/ 21 16 12 24 18 29 25 27 22 24 10
                       1  1

LT=JST =UT + 9 h

memo:
Location: Misato Observatory(Wakayama, JAPAN) 135.40deg E, 34.13deg N
Frequency: 53.750 MHz.
Antenna: original Dipole(height:1m, to level, element:west-east)
Receiver:AOR AR8000 USB-Mode
Observing method: HROFFT software(by Okawa), manual count

  @: Hourly rate estimated by effective observation time less than 60 min.
 IF: Contamination due to radio noise or interference
 Es: Contamination due to sporadic E opening


----------------------------------------
Hiroshi Ogawa (University of Tsukuba, JAPAN)
mailto: HZH02257@nifty.ne.jp
Radio Meteor Obs. http://homepage2.nifty.com/~baron/


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